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Toolongia
From Williams et al., 2017:
[Toolongia, Cookson and Eisenack, 1960, p. 14
Type species: Toolongia medusoides, Cookson and Eisenack, 1960 (pl.3, fig.11)]
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Original description: [Cookson and Eisenack, 1969]:
Description:
Shell hemisphaerical, circular to oval in outline; shell membrane thin, raised on the "upper" surface into a number of radiating ledges, some of which join and form distinct fields.
[Toolongia, Cookson and Eisenack, 1960, p. 14
Type species: Toolongia medusoides, Cookson and Eisenack, 1960 (pl.3, fig.11)]
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Original description: [Cookson and Eisenack, 1969]:
Description:
Shell hemisphaerical, circular to oval in outline; shell membrane thin, raised on the "upper" surface into a number of radiating ledges, some of which join and form distinct fields.